Communication board



FIG. 1 is a perspective environmental view of a communication boardshowing my new design;

FIG. 2 is a perspective exploded view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right elevational view thereof;

FIG. 5 is a left elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective environmental view of another embodiment of acommunication board showing my new design;

FIG. 9 is a perspective exploded view thereof;

FIG. 10 is a front elevational view thereof;

FIG. 11 is a right elevational view thereof;

FIG. 12 is a left elevational view thereof;

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a bottom plan view thereof.

The broken lines in FIGS. 1-14 are included for the purpose of showingfeatures and portions of the communication board that form no part ofthe claimed design.

CLAIM The ornamental design for a communication board, as shown anddescribed.